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7.2: Observing Two Major Classes of Chemical Reactions - Pre-lab

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    Name: ____________________ Date: ____________________

    PRE-LAB QUESTIONS

    1. Define or explain the following chemical concepts:
      1. Double displacement (metathesis) reaction:

        __________
         
         

      2. Oxidation and reduction in terms of electron transfer:

        __________
         
         

      3. Concept of an activity series of metals:

        __________
         
         

      4. Difference between a single displacement reaction and a redox reaction:

        __________
         
         

    2. Using solubility rules, predict whether a precipitate will form when the following aqueous solutions are mixed. Write the balanced molecular, complete ionic, and net ionic equations, and identify the spectator ions. (If no reaction occurs, write "NR".)

      a. Aqueous solutions of Pb(NO3)2 and KI:

      Molecular Equation: __________________________________________________
      Complete Ionic: ______________________________________________________
      Spectator Ions: _______________________________________________________
      Net Ionic Equation: ___________________________________________________

      b. Aqueous solutions of NaCl and AgNO3:

      Molecular Equation: __________________________________________________
      Complete Ionic: ______________________________________________________
      Spectator Ions: _______________________________________________________
      Net Ionic Equation: ___________________________________________________

      c. Aqueous solutions of CuSO4 and NaOH:

      Molecular Equation: __________________________________________________
      Complete Ionic: ______________________________________________________
      Spectator Ions: _______________________________________________________
      Net Ionic Equation: ___________________________________________________

    3. Predict whether the following redox reaction will occur as written:

      \[ \mathrm{Fe(s) + Cu^{2+}(aq) \rightarrow Fe^{2+}(aq) + Cu(s)} \]

      __________
       
       

    4. Identify the oxidizing agent and the reducing agent in the following reaction:

      \[ \mathrm{Zn(s) + 2\,H^{+}(aq) \rightarrow Zn^{2+}(aq) + H_2(g)} \]

      __________
       
       

    This page titled 7.2: Observing Two Major Classes of Chemical Reactions - Pre-lab was last modified on Thu, 01 Oct 2026 18:08:16 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Vincent Hradil and Saadia Khan.